Biology MCQs with Explanations

Explanation

Cutaneous is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Explanation

Organ System is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Explanation

Arthropoda is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Explanation

Proximal part of oviduct is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Explanation

Both of these is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Explanation

The opening and closing of stomata are controlled by the turgor changes in the guard cells. In the dark, the guard cells lose water, become flaccid and the stomata close. In the light, the guard cells absorb water by osmosis, become turgid and the stomata open.

Explanation

Homeostasis is a central pillar of modern Physiology. The term homeostasis was invented by Walter Bradford Cannon in an attempt to extend and codify the principle of ‘milieu intérieur,’ or a constant interior bodily environment, that had previously been postulated by Claude Bernard.

Explanation

Beta cells is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Explanation

Fluid tissue is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.